An urgent problem: the major revisions of suicide statistics in Japan greatly hamper the research

Affiliations

• ¹ Research and Education Faculty, Medical Sciences Cluster, Head of Health Service Center, Kochi University, 2-5-1 Akebono-cho, Kochi-shi, Kochi, 780-8520, Japan.
• ² Kawasaki City Inclusive Rehabilitation Center, Nisshin-cho, Kawasaki-ku, Kawasaki-shi, Kanagawa, 210-0024, Japan.
• ³ Department of Public Health and Environmental Medicine, The Jikei University School of Medicine, 3-25-8 Nishi-shimbashi, Minato-ku, Tokyo, 105-8461, Japan.
• ⁴ National Research Institute of Police Science, 6-3-1 Kashiwanoha, Kashiwa, Chiba, 277-0882, Japan.